waders {MASS} | R Documentation

## Counts of Waders at 15 Sites in South Africa

### Description

The `waders` data frame has 15 rows and 19 columns. The entries are counts of waders in summer.

### Usage

    data(waders)

### Format

This data frame contains the following columns (species)

`S1`
  Oystercatcher
`S2`
  White-fronted Plover
`S3`
  Kitt Lutz's Plover
`S4`
  Three-banded Plover
`S5`
  Grey Plover
`S6`
  Ringed Plover
`S7`
  Bar-tailed Godwit
`S8`
  Whimbrel
`S9`
  Marsh Sandpiper
`S10`
  Greenshank
`S11`
  Common Sandpiper
`S12`
  Turnstone
`S13`
  Knot
`S14`
  Sanderling
`S15`
  Little Stint
`S16`
  Curlew Sandpiper
`S17`
  Ruff
`S18`
  Avocet
`S19`
  Black-winged Stilt

  The rows are the sites: A = Namibia North coast B = Namibia North wetland C = Namibia South coast D = Namibia South wetland E = Cape North coast F = Cape North wetland G = Cape West coast H = Cape West wetland I = Cape South coast J= Cape South wetland K = Cape East coast L = Cape East wetland M = Transkei coast N = Natal coast O = Natal wetland

### Source

J.C. Gower and D.J. Hand (1996) Biplots Chapman & Hall Table 9.1. Quoted as from:

R.W. Summers, L.G. Underhill, D.J. Pearson and D.A. Scott (1987) Wader migration systems in south and eastern Africa and western Asia. Wader Study Group Bulletin 49 Supplement, 15–34.

### Examples

    library(mva)
    plot(corresp(waders, nf=2))

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